Answer:
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Step-by-step explanation:
xdffgghjo
Answer:
23°
Step-by-step explanation:
Let the interior angles of ΔABC be referenced by A, B, and C. The definition of point D means that ΔDAB is an isosceles triangle, so we have the relations ...
A + B + 118 = 180 . . . . interior angles of ΔABC
A = B +16 . . . . . . . . . . base angles of ΔDAB
Using the expression for A in the second equation to substitute into the first equation, we get ...
(B+16) +B +118 = 180
2B + 134 = 180 . . . . . collect terms
2B = 46 . . . . . . . . . . . subtract 134
B = 23 . . . . . . . . . . . . divide by 2
m∠ABC = 23°
Find the difference: 1695 - 1672 = 23
Step-by-step explanation:
cold =25
large=5
divide it
Answer:
DF= 33
Step-by-step explanation:
The ratio is equal to 6:5:1 Which can be changed into 18:15:3
Since DE=18 and EF=15 you simply add and = 33
